| /* |
| * Copyright (C) 2013 Google, Inc. |
| * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
| * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. |
| * All rights reserved. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * along with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| */ |
| |
| #ifndef CachedUAStyle_h |
| #define CachedUAStyle_h |
| |
| #include <memory> |
| #include "core/style/ComputedStyle.h" |
| #include "platform/graphics/Color.h" |
| #include "platform/wtf/Allocator.h" |
| #include "platform/wtf/Noncopyable.h" |
| #include "platform/wtf/PtrUtil.h" |
| |
| namespace blink { |
| |
| // LayoutTheme::AdjustStyle wants the background and borders |
| // as specified by the UA sheets, excluding any author rules. |
| // We use this class to cache those values during |
| // ApplyMatchedProperties for later use during AdjustComputedStyle. |
| class CachedUAStyle { |
| USING_FAST_MALLOC(CachedUAStyle); |
| WTF_MAKE_NONCOPYABLE(CachedUAStyle); |
| friend class ComputedStyle; |
| |
| public: |
| static std::unique_ptr<CachedUAStyle> Create(const ComputedStyle* style) { |
| return WTF::WrapUnique(new CachedUAStyle(style)); |
| } |
| |
| bool BorderColorEquals(const ComputedStyle& other) const { |
| return (border_left_color == other.BorderLeftColorInternal() && |
| border_right_color == other.BorderRightColorInternal() && |
| border_top_color == other.BorderTopColorInternal() && |
| border_bottom_color == other.BorderBottomColorInternal()) && |
| (border_left_color_is_current_color == |
| other.BorderLeftColorIsCurrentColor() && |
| border_right_color_is_current_color == |
| other.BorderRightColorIsCurrentColor() && |
| border_top_color_is_current_color == |
| other.BorderTopColorIsCurrentColor() && |
| border_bottom_color_is_current_color == |
| other.BorderBottomColorIsCurrentColor()); |
| } |
| |
| bool BorderWidthEquals(const ComputedStyle& other) const { |
| return (border_left_width == other.BorderLeftWidth() && |
| border_right_width == other.BorderRightWidth() && |
| border_top_width == other.BorderTopWidth() && |
| border_bottom_width == other.BorderBottomWidth()); |
| } |
| |
| bool BorderRadiiEquals(const ComputedStyle& other) const { |
| return top_left_ == other.BorderTopLeftRadius() && |
| top_right_ == other.BorderTopRightRadius() && |
| bottom_left_ == other.BorderBottomLeftRadius() && |
| bottom_right_ == other.BorderBottomRightRadius(); |
| } |
| |
| bool BorderStyleEquals(const ComputedStyle& other) const { |
| return ( |
| border_left_style == static_cast<unsigned>(other.BorderLeftStyle()) && |
| border_right_style == static_cast<unsigned>(other.BorderRightStyle()) && |
| border_top_style == static_cast<unsigned>(other.BorderTopStyle()) && |
| border_bottom_style == |
| static_cast<unsigned>(other.BorderBottomStyle())); |
| } |
| |
| BorderData border; |
| LengthSize top_left_; |
| LengthSize top_right_; |
| LengthSize bottom_left_; |
| LengthSize bottom_right_; |
| Color border_left_color; |
| Color border_right_color; |
| Color border_top_color; |
| Color border_bottom_color; |
| bool border_left_color_is_current_color; |
| bool border_right_color_is_current_color; |
| bool border_top_color_is_current_color; |
| bool border_bottom_color_is_current_color; |
| unsigned border_left_style : 4; // EBorderStyle |
| unsigned border_right_style : 4; // EBorderStyle |
| unsigned border_top_style : 4; // EBorderStyle |
| unsigned border_bottom_style : 4; // EBorderStyle |
| float border_left_width; |
| float border_right_width; |
| float border_top_width; |
| float border_bottom_width; |
| FillLayer background_layers; |
| StyleColor background_color; |
| |
| private: |
| explicit CachedUAStyle(const ComputedStyle* style) |
| : border(style->Border()), |
| top_left_(style->BorderTopLeftRadius()), |
| top_right_(style->BorderTopRightRadius()), |
| bottom_left_(style->BorderBottomLeftRadius()), |
| bottom_right_(style->BorderBottomRightRadius()), |
| border_left_color(style->BorderLeftColorInternal()), |
| border_right_color(style->BorderRightColorInternal()), |
| border_top_color(style->BorderTopColorInternal()), |
| border_bottom_color(style->BorderBottomColorInternal()), |
| border_left_color_is_current_color( |
| style->BorderLeftColorIsCurrentColor()), |
| border_right_color_is_current_color( |
| style->BorderRightColorIsCurrentColor()), |
| border_top_color_is_current_color( |
| style->BorderTopColorIsCurrentColor()), |
| border_bottom_color_is_current_color( |
| style->BorderBottomColorIsCurrentColor()), |
| border_left_style(static_cast<unsigned>(style->BorderLeftStyle())), |
| border_right_style(static_cast<unsigned>(style->BorderRightStyle())), |
| border_top_style(static_cast<unsigned>(style->BorderTopStyle())), |
| border_bottom_style(static_cast<unsigned>(style->BorderBottomStyle())), |
| border_left_width(style->BorderLeftWidth()), |
| border_right_width(style->BorderRightWidth()), |
| border_top_width(style->BorderTopWidth()), |
| border_bottom_width(style->BorderBottomWidth()), |
| background_layers(style->BackgroundLayers()), |
| background_color(style->BackgroundColor()) {} |
| }; |
| |
| } // namespace blink |
| |
| #endif // CachedUAStyle_h |